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首页> 外文期刊>Limnology >Spatiotemporal shift in sulphide concentration in hypolimnic water column in Lake Hiruga, a saline lake in Japan
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Spatiotemporal shift in sulphide concentration in hypolimnic water column in Lake Hiruga, a saline lake in Japan

机译：日本盐水湖中苏格兰湖中硫化物水柱硫化物浓度的时空移位

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摘要

A 2-year study was designed to investigate the spatiotemporal distribution of sulphide in the water column of a saline lake, Lake Hiruga in Fukui, Japan. Water samples were collected in Lake Hiruga periodically between April 2014 and March 2016 at appropriate depths with simultaneous in situ measurements of physicochemical parameters such as temperature, salinity and dissolved oxygen (DO) concentration. Sulphide started accumulating in the hypolimnion in September 2014, whilst that did in June 2015. The sulphide concentrations increased toward the end of December in both 2014 and 2015. Then the sulphide disappeared from the hypolimnion in April 2015 and February 2016. The difference in starting season of the sulphide accumulation was closely connected with DO concentrations in the hypolimnion in circulation periods of winter season. The DO concentrations were regulated by water column stability before thermal stratification periods. Our analysis of the sulphide distribution for the 2 years of the study suggested that accumulation of sulphide in the hypolimnion during stratified periods appears to be associated with strength of water column stability in the winter-spring seasons before stagnant periods in Lake Hiruga.
机译：旨在调查日本福井湖盐湖水柱水柱中硫化物的时空分布。在2014年4月至2016年4月至2016年3月在2016年4月至2016年3月在适当的深度上收集水样，同时以诸如温度，盐度和溶解氧（DO）浓度的物理化学参数的适当深度。硫化物在2014年9月开始在二零一六年季度累积在低调中。硫化物浓度在2014年和2015年12月底增加。然后，硫化物于2015年4月和2016年2月从腹股沟中消失。启动的差异硫化物积累的季节与冬季循环期间的低聚浓度密切相关。在热分层期之前通过水柱稳定性调节浓度。我们对研究2年的硫化硫化物分布的分析表明，在分层期间，在分层期间的低温中累积似乎与冬季春季的水柱稳定强度有关，在哈吉达湖中停滞期间。

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